session-history/ohm/0084/SESSION-0084.0-TRANSCRIPT-2026-06-07T07-25--2026-06-07T08-37.md

Session 0084.0 — Transcript

App: ohm Start: 2026-06-07T07-25 (PST) End: 2026-06-07T08-37 (PST) Type: coding Posture: autonomous (yolo) throughout Driver model: Claude Opus 4.8 (1M context)

Launch prompt

/goal next — resume the goal recorded at the last finalize. The session gate resolved the memory Next /goal: field to: implement SLICE-0 (amend binding SPEC.md §22.4a so the entry schema is collection-configured .meta.yaml sidecar fields, not type-driven frontmatter; defer item-3 type surfaces; mark per-type-surfaces superseded; §20 changelog — doc-only) then SLICE-1 (sidecar <slug>.meta.yaml storage + dual-read parser + idempotent migration tool + malformed-metadata catalog flag), per docs/design/2026-06-06-configurable-collection-metadata.md §7.

Pre-state

• rfc-app at v0.46.1 on main; local main was behind origin by 7 (a parallel session — 0080, still --INPROGRESS ~30h — had landed the configurable-metadata spec PR #26, the corpus-tree spec PR #28, and the v0.46.1 migration-029 fix). Fast-forwarded local main to 36cb618.
• The configurable-collection-metadata design had landed (PR #26); the per-type-surfaces draft already carried its superseded banner.
• OHM live at v0.46.1 (undeployed gap begins here).

The arc (turn by turn)

1. Gate + claim. Classified /goal next → coding. Ran wgl-session-coding-init: peeked (session 0080 in flight — noted, proceeded in autonomous posture), claimed 0084, ff-synced main, confirmed the configurable-metadata spec present on origin.

2. SLICE-0 (doc-only). Read the spec's §7 delivery plan + the binding SPEC.md §22.4a. Created an isolated worktree (EnterWorktree → metadata-slice0-spec).

   • Wrong turn (the §5.4 hazard): the first SLICE-0 edits used absolute canonical paths (/Users/.../rfc-app/SPEC.md) instead of the worktree path, so they landed in the canonical checkout on main, not the worktree. Caught by a grep showing the worktree copy unchanged. Recovered: copied the edited file into the worktree, git checkout -- SPEC.md in canonical. Logged as plugin feedback at session end (see Deferred decisions).
   • Reframed §22.4a (entry metadata collection-configured, not type-driven; item-3 surfaces deferred; bdd coverage → future ref surface), reworded the two §2/§22 forward-pointer blockquotes, fixed relative link paths. CHANGELOG 0.46.2 (patch — doc-only, no operator action), VERSION + package.json → 0.46.2.
   • Shipped: branch → origin → Gitea-API PR #30 → merge (b1acc23) → branch deleted → worktree removed → main synced.

3. SLICE-1 (code). Fresh worktree (metadata-slice1-sidecar). Explored the parser/cache/propose/migration surfaces (Explore agent). Wrote a just-in-time plan (docs/design/plans/2026-06-07-slice1-sidecar-storage.md). Baseline: backend 547 green. TDD throughout:

   • Entry.extra + from_frontmatter/to_frontmatter_dict refactor in entry.py (INV-7 unknown-key preservation).
   • app/metadata.py — dual-read read_entry (INV-6), parse_sidecar, strip_frontmatter, sidecar_yaml, idempotent migrate_collection.
   • gitea.change_files (Gitea ChangeFiles batch) + FakeGitea route.
   • cache _refresh_collection_corpus dual-reads the sidecar sibling; migration 033_metadata_malformed.sql; API surfaces metadata_malformed.
   • Initially also built an Owner-gated migrate-metadata endpoint + bot wrapper.

4. Code review (high-effort, multi-agent) — caught a foot-gun. Two finder agents found: (a) the migration endpoint rewrites .md to body-only, but every write path (graduate / mark-reviewed / metadata+body edit / PR-replay) still entry.parse(<slug>.md) directly → would crash / re-grow frontmatter on a migrated entry; (b) dual-read dropped degenerate-sidecar entries (violating INV-3); (c) graduation dropped Entry.extra (INV-7). Remediation:

   • Deferred the Owner-gated migrate endpoint to SLICE-4 (removed endpoint + bot wrapper + its test); kept the migration function as tested groundwork with no production trigger.
   • Hardened read_entry with a fallback_slug (from filename stem) so a malformed/empty/slug-less sidecar still loads + flags (INV-3), with tests.
   • Fixed graduation to carry extra through, with a test.
   • Recorded the write-path sites to fix in the design's SLICE-4 DoD.
   • Gate: backend 575 passed, frontend untouched. CHANGELOG 0.47.0 (minor, additive; no operator action; migration not yet triggerable). Shipped: branch → origin → PR #31 → merge (98c276a) → branch deleted → worktree removed → main synced.

5. Post-goal. Operator asked whether SLICE-0 had an impl plan (answer: no, by design — §7.1 "SLICE-0 is doc-only, no implementation plan"). Operator then asked how to prevent the worktree-path hazard in future sessions; recorded it as plugin feedback (wgl-dev-plugin-feedback → feedback/2026-06-07T08-36- worktree-path-hazard.md, plugin repo cf50f2c) with a proposed prose rule + a deterministic PreToolUse guard.

Cut state

• Origin main = 98c276a @ v0.47.0. Working tree clean, synced, no open PRs.
• Backend 575 passing. Frontend unchanged.
• Both worktrees removed; both feature branches deleted local + origin.
• Memory updated: project_rfc_app_multiproject.md (+ MEMORY.md index) with the SLICE-0/SLICE-1 shipped state and Next /goal: SLICE-2.
• Not deployed: OHM live @ v0.46.1; v0.46.2 + v0.47.0 are an undeployed gap (tag+mirror to the benstull mirror before any deploy, per the OHM ops memory).

Deferred decisions (autonomous low-confidence calls)

1. SLICE-0 = patch (0.46.2), SLICE-1 = minor (0.47.0). SLICE-0 reframes an unbuilt contract item with no operator action → patch; SLICE-1 adds new functionality, non-breaking → minor. Reasonable; flag if you'd version differently.
2. Deferred the migration operator endpoint to SLICE-4 (the review-driven call). Judged it a clearly-preferred answer (don't ship a foot-gun that breaks write paths), so proceeded without asking. The migration function ships tested; nothing triggers it in production yet.
3. Did SLICE-0 + SLICE-1 in one session despite §7.1's "one slice per session" convention — justified by the recorded goal bundling both. SLICE-2 onward reverts to one-slice-per-session.
4. Migration commits straight to main (no PR) — modeled on the shipped bot.create_collection (structural config). Moot until the endpoint ships.
5. Did not deploy v0.46.2 / v0.47.0. Left to the operator (deploy wasn't in the goal). Undeployed gap noted.
6. Tests run via the canonical backend .venv from the worktree CWD (no separate per-worktree venv) — pragmatic; imports resolve to the worktree code.

Next session

/goal SLICE-2 — collection field schema + central validation, per docs/design/2026-06-06-configurable-collection-metadata.md §7.2

Read project_rfc_app_multiproject.md (top block) first. SLICE-2: parse a .collection.yaml fields: block (enum/tags/text; future ref) in registry.parse_collection_manifest (it already reads enabled_models into config_json — add fields: alongside); add metadata_schema.validate(values, fields) → [problems] (advisory at ingest → the existing metadata_malformed flag, INV-3; enforced at the write boundary later, INV-4); serve the schema via GET …/collections/<c>; no-fields: collections behave exactly as today (INV-5). Take it as its own coding session (§7.1) with a just-in-time plan. Gotchas: use an isolated worktree and prefix every Edit/Write path with the worktree root (the §5.4 hazard hit this session); a concurrent session may share the checkout.